
DEWA Solar Regulations in Dubai:
At Watts & Ergon, we specialise in DEWA-enrolled solar solutions and handle the entire process end-to-end.
Power Factor (PF) measures how efficiently electrical power is used. A low power factor (below 0.9) means you are paying for wasted energy. Power Factor Correction uses capacitor banks to improve PF close to unity (1.0), reducing your electricity bills and improving system efficiency.
| Benefit | Impact |
|---|---|
| Electricity Bill Savings | 15% – 30% reduction |
| Avoid DEWA Penalties | Eliminates low PF charges |
| Reduced Transformer & Cable Load | Up to 30% less current |
| Increased System Capacity | More load without upgrading infrastructure |
| Lower Carbon Footprint | Improved energy efficiency |
| Extended Equipment Life | Less heat & stress on motors & cables |
| Type | Best For | Cost (AED) | Payback Period | Features |
|---|---|---|---|---|
| Fixed PFC | Small facilities with stable load | 8,000 – 25,000 | 6 – 12 months | Simple, low maintenance |
| Automatic PFC (APFC) | Commercial & Industrial (Recommended) | 25,000 – 120,000 | 8 – 18 months | Dynamic compensation, smart controller |
| Hybrid / Active PFC | Data centers, hospitals, high harmonics | 80,000 – 250,000+ | 12 – 24 months | Harmonic filtering + PF correction |
| Facility Type | Monthly Bill (AED) | Expected Monthly Savings | Annual Savings |
|---|---|---|---|
| Small Factory (100-200kW) | 35,000 | 4,000 – 8,000 | 48,000 – 96,000 |
| Hotel / Commercial Building | 80,000 | 10,000 – 20,000 | 120,000 – 240,000 |
| Large Industrial Plant | 250,000+ | 30,000 – 70,000 | 360,000 – 840,000 |
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At Watts & Ergon, we specialise in DEWA-enrolled solar solutions and handle the entire process end-to-end.

Solar panels convert light, not heat, into electricity. When they get hotter, their efficiency drops. Understanding this effect — and how to minimize it — is essential for anyone installing or operating solar systems in Dubai and the wider UAE.

This guide breaks down the key DEWA solar regulations you need to know — system size limits, technical standards, approval process, equipment rules, and common compliance pitfalls — so you can install solar correctly the first time with a trusted DEWA-enrolled contractor like Watts&ergon.